Jörn Schulz

Associate Professor

Jörn Schulz

Contact

Telephone: 51832028

Email: jorn.schulz@uis.no

Department

Faculty of Science and Technology

Department of Mathematics and Physics

Publications

Vitenskapelige publikasjoner

Schulz, Jörn; Pizer, Stephen

(2024)

The Mean Shape under the Relative Curvature Condition.

arXiv.org.

ISSN 2331-8422.

DOI: 10.48550/arXiv.2404.01043

Hiorth, Ylva Hivand; Schulz, Jörn; Pedersen, Kenn Freddy; Tysnes, Ole-Bjørn; Alves, Guido Werner

(2024)

Orthostatic Hypotension and Risk of Mild Cognitive Impairment and Dementia in Parkinson's Disease.

Movement Disorders Clinical Practice.

ISSN 2330-1619.

DOI: 10.1002/mdc3.14179

Aakre, Jon Arild; Schulz, Jörn; Ballard, Clive; Corbett, Anne; Bjorvatn, Bjørn; Aarsland, Dag; Creese, Byron; Hampshire, Adam; Brooker, Helen; Testad, Ingelin

(2023)

Self-reported sleep fragmentation and sleep duration and their association with cognitive function in PROTECT, a large digital community-based cohort of people over 50.

International Journal of Geriatric Psychiatry.

ISSN 0885-6230.

Volum 38.

Hefte 11.

DOI: 10.1002/gps.6022

Schulz, Jörn; Pizer, Stephen

(2023)

Fitting the Discrete Swept Skeletal Representation to Slabular Objects.

Research Square.

ISSN 2693-5015.

DOI: 10.21203/rs.3.rs-2927062/v1

Taheri Shalmani, Mohsen; Pizer, Stephen M.; Schulz, Jörn

(2023)

Fitting the Discrete Swept Skeletal Representation to Slabular Objects.

Research Square.

ISSN 2693-5015.

DOI: 10.21203/rs.3.rs-2927062/v1

Taheri Shalmani, Mohsen; Schulz, Jörn

(2022)

Statistical Analysis of Locally Parameterized Shapes.

Journal of Computational And Graphical Statistics (JCGS).

ISSN 1061-8600.

DOI: 10.1080/10618600.2022.2116445

Liu, Zhiyuan; Schulz, Jörn; Taheri Shalmani, Mohsen; Styner, Martin; Damon, James; Pizer, Stephen M.; Marron, J. S.

(2022)

Analysis of Joint Shape Variation from Multi-Object Complexes.

Journal of Mathematical Imaging and Vision.

ISSN 0924-9907.

DOI: 10.1007/s10851-022-01136-5

Kim, Byungwon; Schulz, Jörn; Jung, Sungkyu

(2020)

Kurtosis test of modality for rotationally symmetric distributions on hyperspheres.

Journal of Multivariate Analysis.

ISSN 0047-259X.

Volum 178.

DOI: 10.1016/j.jmva.2020.104603

Kim, Byungwon; Huckemann, Stephan; Schulz, Jörn; Jung, Sungkyu

(2019)

Small-sphere distributions for directional data with application to medical imaging.

Scandinavian Journal of Statistics.

ISSN 0303-6898.

Volum 46.

s.1047-1071.

DOI: 10.1111/sjos.12381

Schulz, Jörn; Kvaløy, Jan Terje; Engan, Kjersti; Eftestøl, Trygve Christian; Jatosh, Samwel; Hussein, Kidanto; Ersdal, Hege Langli

(2019)

State transition modeling of complex monitored health data.

Journal of Applied Statistics.

ISSN 0266-4763.

DOI: 10.1080/02664763.2019.1698523

Linde, Jørgen Erland; Perlman, Jeffrey M.; Øymar, Knut; Schulz, Jörn; Eilevstjønn, Joar; Thallinger, Monica; Kusulla, Simeon; Kidanto, Hussein Lesio; Ersdal, Hege Langli

(2018)

Predictors of 24-h outcome in newborns in need of positive pressure ventilation at birth.

Resuscitation.

ISSN 0300-9572.

Volum 129.

s.1-5.

DOI: 10.1016/j.resuscitation.2018.05.026

Linde, Jørgen Erland; Schulz, Jörn; Perlman, Jeffrey M.; Øymar, Knut; Blacy, Ladislaus; Kidanto, Hussein Lesio; Ersdal, Hege Langli

(2017)

The relation between given volume and heart rate during newborn resuscitation.

Resuscitation.

ISSN 0300-9572.

Volum 117.

s.80-86.

DOI: 10.1016/j.resuscitation.2017.06.007

Rossen, Janne; Østborg, Tilde Broch; Lindtjørn, Elsa; Schulz, Jörn; Eggebø, Torbjørn Moe

(2016)

Judicious use of oxytocin augmentation for the management of prolonged labor.

Acta Obstetricia et Gynecologica Scandinavica.

ISSN 0001-6349.

Volum 95.

Hefte 3.

s.355-361.

DOI: 10.1111/aogs.12821

Linde, Jørgen Erland; Schulz, Jörn; Perlman, Jeffrey M.; Øymar, Knut; Francis, Fortunata; Eilevstjønn, Joar; Ersdal, Hege Langli

(2016)

Normal newborn heart rate in the first five minutes of life assessed by dry-electrode electrocardiography.

Neonatology.

ISSN 1661-7800.

Volum 110.

Hefte 3.

s.231-237.

DOI: 10.1159/000445930

Thorsen, Olav; Hartveit, Miriam; Johannessen, Jan Olav; Fosse, Lars; Eide, Geir Egil; Schulz, Jörn; Baerheim, Anders

(2016)

Typologies in GPs' referral practice.

BMC Family Practice.

ISSN 1471-2296.

Volum 17:76.

DOI: 10.1186/s12875-016-0495-y

Hiorth, Ylva Hivand; Alves, Guido; Larsen, Jan Petter; Schulz, Jörn; Tysnes, Ole-Bjørn; Pedersen, Kenn Freddy

(2016)

Long-term risk of falls in an incident Parkinson's disease cohort: the Norwegian ParkWest study..

Journal of Neurology.

ISSN 0340-5354.

Volum 264.

Hefte 2.

s.364-372.

DOI: 10.1007/s00415-016-8365-z

Enger, Lena Kristin; Larsen, Jan Petter; Schulz, Jörn; Tysnes, Ole-Bjørn; Gjerstad, Michaela D

(2016)

Changes in insomnia subtypes in early Parkinson disease.

Neurology.

ISSN 0028-3878.

Volum 88.

Hefte 4.

s.352-358.

DOI: 10.1212/WNL.0000000000003540

Hong, Junpyo; Vicory, Jared; Schulz, Jörn; Styner, Martin; Marron, J.S.; Pizer, Stephen M.

(2016)

Non-Euclidean classification of medically imaged objects via s-reps.

Medical Image Analysis.

ISSN 1361-8415.

Volum 31.

s.37-45.

DOI: 10.1016/j.media.2016.01.007

Schulz, Jörn; Jung, Sungkyu; Huckemann, Stephan; Pierrynowski, Michael; Marron, James Stephen; Pizer, Stephen M.

(2015)

Analysis of rotational deformations from directional data.

Journal of Computational And Graphical Statistics (JCGS).

ISSN 1061-8600.

Volum 24.

Hefte 2.

s.539-560.

DOI: 10.1080/10618600.2014.914947

Schulz, Jörn; Pizer, Stephen M.; Marron, James Stephen; Godtliebsen, Fred

(2015)

Non-linear hypothesis testing of geometric object properties of shapes applied to hippocampi.

Journal of Mathematical Imaging and Vision.

ISSN 0924-9907.

Volum 54.

Hefte 1.

s.15-34.

DOI: 10.1007/s10851-015-0587-7

Enger, Lena Kristin; Larsen, Jan Petter; Schulz, Jörn; Tysnes, Ole-Bjørn; Gjerstad, Michaela D

(2015)

Development of excessive daytime sleepiness in early Parkinson disease.

Neurology.

ISSN 0028-3878.

Volum 85.

Hefte 2.

s.162-168.

DOI: 10.1212/WNL.0000000000001737

Zortea, Maciel; Schopf, Thomas Roger Griesbeck; Thon, Kevin Otto; Geilhufe, Marc; Hindberg, Kristian; Kirchesch, Herbert M.; Møllersen, Kajsa; Schulz, Jørn; Skrøvseth, Stein Olav; Godtliebsen, Fred

(2014)

Performance of a dermoscopy-based computer vision system for the diagnosis of pigmented skin lesions compared with visual evaluation by experienced dermatologists.

Artificial Intelligence in Medicine.

ISSN 0933-3657.

Volum 60.

Hefte 1.

s.13-26.

DOI: 10.1016/j.artmed.2013.11.006

Schulz, Jörn; Skrøvseth, Stein Olav; Tømmerås, Veronika Kristine; Marienhagen, Kirsten; Godtliebsen, Fred

(2014)

A semiautomatic tool for prostate segmentation in radiotherapy treatment planning.

BMC Medical Imaging.

ISSN 1471-2342.

Volum 14:4.

DOI: 10.1186/1471-2342-14-4

Bøker og kapitler

Sone, Izumi; Blikra, Marthe Jordbrekk; Schulz, Jörn; Feyissa, Aberham H.

(2017)

OPTIMAL - Utvikling av et beslutningsstøtte verktøy for optimalisering av prosess og produktkvalitet.

ISBN 978-82-8296-484-5.

Hefte 4/2017.

Formidling

Høllesli , Liv Jorunn; Tomasetti, Luca; Mouridsen, Kim; Schulz, Jörn; Kurz, Martin; Kurz, Kathinka Dæhli

(2023)

The combination of CBV and transit time coefficient variation seems promising in predicting tissue outcome in large vessel occlusion AIS with subsequent recanalization.

European Stroke Organisation Conference 2023;

2023-05-24 - 2023-05-26.

Høllesli , Liv Jorunn; Tomasetti, Luca; Engan, Kjersti; Schulz, Jörn; Mouridsen, Kim; Kurz, Kathinka Dæhli

(2023)

The combination of CBF and transit time coefficient variation seems promising in predicting tissue outcome in patients with acute ischemic stroke and large vessel occlusions .

European Stroke Organisation Conference 2023;

2023-05-24 - 2023-05-26.

Høllesli, Liv Jorunn; Tomasetti, Luca; Khanmohammadi, Mahdieh; Engan, Kjersti; Schulz, Jörn; Kurz, Friedrich Martin Wilhelm; Kurz, Kathinka Dæhli

(2022)

Kombinasjon av de parametriske CT perfusjonskartene TTP og CoV i pasienter med akutt ischemisk hjerneslag uten storkarsokklusjon predikerer penumbra. .

Radiologisk høstmøte 2022;

2022-10-26 - 2022-10-28.

Schulz, Jörn; Kvaløy, Jan Terje; Engan, Kjersti; Eftestøl, Trygve Christian; Jatosh, Samwel; Hussein, Kidanto; Ersdal, Hege Langli

(2019)

State transition modeling of complex monitored health data.

5th Joint Statistical Meeting DAGStat 2019;

2019-03-18 - 2019-03-22.

Schulz, Jörn; Kim, Byungwon; Jung, Sungkyu

(2019)

Data beyond the euclidean space.

International Symposium on Theories and Methodologies for Large Complex Data;

2019-11-21 - 2019-11-23.

Schulz, Jörn; Kim, Byung Won; Huckemann, Stephan; Jung, Sungkyu

(2017)

Small-sphere distributions for directional data with application to rotationally deformed objects.

International Conference of the ERCIM WG on Computational and Methodological Statistics (CMStatistics 2017);

2017-12-16 - 2017-12-18.

Schulz, Jörn

(2017)

State transition probabilities during resuscitation of newborns in Safer Births.

Safer Births Annual Meeting 2017;

2017-03-09 - 2017-03-10.

Schulz, Jörn; Kim, Byung Won; Jung, Sungkyu; Huckemann, Stephan; Marron, J.S.; Pizer, Stephen M.

(2016)

Analysis of Rotational Deformations from Directional Data.

International Conference on Computational Statistics;

2016-08-23 - 2016-08-26.

Schulz, Jörn

(2015)

Statistical shape analysis with medical applications.

18th Norwegian Statistical Conference;

2015-06-15 - 2015-06-18.

Os, Vibeke; Schulz, Jörn

(2014)

Nye metoder gir mer nøyaktige medisinske bilder.

Schulz, Jörn; Jung, Sungkyu; Huckemann, Stephan; Pizer, Stephen M.; Marron, J.S.

(2011)

Analysis of Object Motions.

16th Norwegian Statistical Conference;

2011-06-14 - 2011-06-17.

Schulz, Jörn

(2011)

Research Activities at University of Tromsø and TTL.

MIDAG;

2011-02-21.

Schulz, Jörn; Skrøvseth, Stein Olav; Godtliebsen, Fred; Foskey, Mark

(2010)

The role of statistics in shape analysis.

NordStat 2010;

2010-07-14 - 2010-07-17.

Schulz, Jörn; Skrøvseth, Stein Olav; Godtliebsen, Fred

(2010)

Statistical applications in shape analysis.

NOBIM 2010 (Norsk forening for bildebehandling og mønstergjenkjenning);

2010-07-21 - 2010-07-22.